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Dahasolnce [82]
3 years ago
7

What is the area of 100ft, 80ft, 140ft

Mathematics
1 answer:
Dahasolnce [82]3 years ago
8 0
Area or volume??????????????????????????????????????

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A box of pencils is 5 1/4 inches wide. Seven pencils, laid side by side, take up 2 5/8 inches of the width. How many inches of t
Andre45 [30]

Answer:   Width of box is not taken up by pencils =  2\dfrac58\text{ inches}

Width of each pencil =\dfrac38\text{ inches}

Step-by-step explanation:

Given: Width of pencil box = 5\dfrac14\text{ inches}=\dfrac{21}{4}\text{ inches}

Width of seven pencils = 2\dfrac58\text{ inches}=\dfrac{16+5}{8}\text{ inches}=\dfrac{21}{8}\text{ inches}

Width of box is not taken up by pencils =  Width of pencil box  - Width of seven pencils

\left \{ {{y=2} \atop {x=2}} \right. \dfrac{21}{4}-\dfrac{21}{8}\\\\=\dfrac{21\times2-21}{8}\\\\=\dfrac{21}{8}\text{ inches}=2\dfrac58\text{ inches}

Width of box is not taken up by pencils =  2\dfrac58\text{ inches}

Width of each pencil = (Width of seven pencils ) ÷ 7

=\dfrac{21}{8}\div7\\\\=\dfrac{21}{8}\times\dfrac17\\\\=\dfrac38\text{ inches}

Width of each pencil =\dfrac38\text{ inches}

3 0
3 years ago
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which of the following is the result of using the remainder theorem to find F(-1) for the polynomial function F(x) = -x^3+6x^2-4
balandron [24]

Answer:

d). 22

Step-by-step explanation:

add the -1 for x then solve

7 0
3 years ago
What is the first step in solving the equation 2/3x x 1/3x+2=5?
Eduardwww [97]

Answer:

Combine like terms

Step-by-step explanation:

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4 years ago
Use the given conditions to write an equation for the line in point-slope form and slope-intercept form.
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3-(-5) 8 4
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3-(-3). 6 3
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3 years ago
PLEASE HELP! I don’t understand
denpristay [2]

Answer:

(-1,0) and (5,0)

Step-by-step explanation:

The roots are the points where the y-value is 0 and the point lies exactly on the x-axis.

(blank,0)

In this parabola, the points that are exactly on the x-axis is (-1,0) and (5,0)

4 0
3 years ago
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